Coast live oak leaves with brown, scorched margins due to feeding on the leaf underside by the two-horned oak gall wasp. (Photo by Jack Kelly Clark) These wasps are native to California, and form ...

Last July, I crossed paths with an insect that looked like the living embodiment of my favorite drawing game. Using folded paper, players add to a communal image without seeing The Outside Story: ...

Although the ubiquitous insects are quite pretty — northern paper wasps, for example, sport various shades of black, yellow, brown and gold on their exoskeletons — these particular wasps are ...

Paper wasps are vespid (stinging) wasps that have long legs. These wasps are reddish-brown to black in color with yellow markings. The most common paper wasps are 5/8 to 3/4 inches in length.

Killer cicada wasps are large, black or dark brown wasps, approximately two inches in length. They have amber colored wings and yellow markings on their abdomen.